I've had OPI Every Month Is Oktoberfest since it came out and I'm not sure why I haven't worn it more. The formula was near perfect, dry time was a tad bit long for me. But that's on par with most other OPIs I own. I figure it must just be my body chemistry. EMIO is a vampy purple base with red shimmer peeking through. I'm sure there are cheaper alternatives out there that will give you a similar look. EMIO is truly lovely though. The way red shimmer is suspended in the purple base makes it look different colors depending on the lighting and angle.
The first picture is in sunlight and the last two are in natural window light.